English adjective: arduous | |||
1. | arduous characterized by effort to the point of exhaustion; especially physical effort | ||
Samples | Worked their arduous way up the mining valley. A grueling campaign. Hard labor. Heavy work. Heavy going. Spent many laborious hours on the project. Set a punishing pace. | ||
Synonyms | backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, toilsome | ||
Similar | effortful | ||
Antonyms | effortless | ||
2. | arduous taxing to the utmost; testing powers of endurance | ||
Samples | His final, straining burst of speed. A strenuous task. Your willingness after these six arduous days to remain here. | ||
Synonyms | straining, strenuous | ||
Similar | effortful | ||
Antonyms | effortless | ||
3. | arduous difficult to accomplish; demanding considerable mental effort and skill | ||
Samples | The arduous work of preparing a dictionary. | ||
Similar | difficult, hard | ||
Antonyms | easy | ||